Quarterly report pursuant to Section 13 or 15(d)

Revenues - Disaggregated (Details)

v3.19.2
Revenues - Disaggregated (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Disaggregation of Revenue [Line Items]        
Total revenues $ 10,407 $ 1,787 $ 23,031 $ 1,787
Gross product sales        
Disaggregation of Revenue [Line Items]        
Total revenues 12,481 2,287 22,397 2,287
Discounts and allowances        
Disaggregation of Revenue [Line Items]        
Total revenues (2,308) (500) (4,170) (500)
Product sales, net        
Disaggregation of Revenue [Line Items]        
Total revenues 10,173 $ 1,787 18,227 $ 1,787
License revenues        
Disaggregation of Revenue [Line Items]        
Total revenues     4,499  
Research and development services        
Disaggregation of Revenue [Line Items]        
Total revenues 234   305  
Contract revenues from collaborations        
Disaggregation of Revenue [Line Items]        
Total revenues $ 234   $ 4,804